Output control apparatus, output controlling method, program, and output control system

1. An output control apparatus connectable to an audio output apparatus controlling output of audio data, comprising: a receiving device for receiving encoded data obtained by encoding multi-channel audio data; a decoding device for decoding the encoded data; an output control device for controlling output of a predetermined number of channels of audio data among the multi-channel audio data obtained by the decoding; a transmitting device for transmitting any one of audio data different from the audio data of which the output is controlled by the output control device among the multi-channel audio data obtained by the decoding and the encoded data to an audio output apparatus connected through an integrated cable formed by integrating at least a video line, an audio line, and a control line; a control device for controlling the audio output apparatus through the integrated cable, wherein the control device controls the audio output apparatus to adjust a sound volume of a sound corresponding to the audio data output by the audio output apparatus; and a calculating device for calculating an offset value obtained by subtracting a strength of a sound output from the output control device from a strength of a sound output from the audio output apparatus, wherein the control device adjusts the sound volume of the sound corresponding to the audio data output by the audio output apparatus based on the offset value.

2. The output control apparatus according to claim 1 , wherein the control device further performs controlling so that the audio data output in the output control device and the audio data output in the audio output apparatus are output at the same timing.

3. The output control apparatus according to claim 2 , further comprising: an acquiring device for acquiring an EDID (extended display identification data) of the audio output apparatus; a storage device for storing an EDID of the output control apparatus; a generating device for generating an EDID of an output control system, which is constructed with the output control apparatus and the audio output apparatus, based on the EDID of the output control apparatus and the EDID of the audio output apparatus.

4. The output control apparatus according to claim 3 , wherein the control device controls the audio output apparatus to set audio data output from a plurality of output units included in the audio output apparatus.

5. The output control apparatus according to claim 3 , wherein the EDID includes at least one of a latency indicating a time taken from the time when the audio data are received to the time when the audio data are output, the number of channels capable of outputting the audio data, and a decodable encoding method.

6. The output control apparatus according to claim 1 , wherein the receiving device receives the encoded data through a second integrated cable.

7. The output control apparatus according to claim 1 , wherein the integrated cable is an HDMI (high definition multimedia interface) cable, and wherein the control device controls the audio output apparatus via a CEC (consumer electronics control) line of the HDMI cable.

8. The output control apparatus according to claim 1 , wherein the output control device controls a plurality of output units, which output sounds corresponding to the audio data, to output the corresponding sounds.

9. An output control apparatus connectable to an audio output apparatus controlling output of audio data, comprising: a receiving device for receiving encoded data obtained by encoding multi-channel audio data; a decoding device for decoding the encoded data; an output control device for controlling output of a predetermined number of channels of audio data among the multi-channel audio data obtained by the decoding; a transmitting device for transmitting any one of audio data different from the audio data of which the output is controlled by the output control device among the multi-channel audio data obtained by the decoding and the encoded data to an audio output apparatus connected through an integrated cable formed by integrating at least a video line, an audio line, and a control line; and a control device for controlling the audio output apparatus through the integrated cable, wherein the integrated cable is an HDMI (high definition multimedia interface) cable, wherein the control device controls the audio output apparatus via a CEC (consumer electronics control) line of the HDMI cable, and wherein the transmitting device transmits data different from the data of which the output is controlled by the output control device among after-decoding multi-channel data via a TMDS (transition minimized differential signaling) channel line of the HDMI cable to the audio output apparatus.

10. An output controlling method of an output control apparatus connected to an audio output apparatus controlling output of audio data, wherein the output control apparatus comprises: a receiving device; a decoding device; an output control device; a transmitting device; a control device; and a calculating device, wherein the output controlling method comprises the steps of: in the receiving device, receiving encoded data obtained by encoding multi-channel audio data; in the decoding device, decoding the encoded data; in the output control device, controlling output of a predetermined number of channels of audio data among the multi-channel audio data obtained by the decoding; in the transmitting device, transmitting any one of audio data different from the audio data of which the output is controlled by the output control device among the multi-channel audio data obtained by the decoding and the encoded data to an audio output apparatus connected through an integrated cable formed by integrating at least a video line, an audio line, and a control line; in the control device, controlling the audio output apparatus through the integrated cable; and in the calculating device, calculating an offset value obtained by subtracting a strength of a sound output from the output control device from a strength of a sound output from the audio output apparatus, wherein in the control device, adjusting the sound volume of the sound corresponding to the audio data output by the audio output apparatus based on the offset value.

11. A non-transitory computer readable medium having stored thereon a program that when executed by a computer of an output control apparatus connected to an audio output apparatus controlling output of audio data performs a method, said method comprising: in a receiving device, receiving encoded data obtained by encoding multi-channel audio data; in a decoding device, decoding the encoded data; in an output control device, controlling output of a predetermined number of channels of audio data among the multi-channel audio data obtained by the decoding; in a transmitting device, transmitting any one of audio data different from the audio data of which the output is controlled by the output control device among the multi-channel audio data obtained by the decoding and the encoded data to an audio output apparatus connected through an integrated cable formed by integrating at least a video line, an audio line, and a control line; in a control device, controlling the audio output apparatus through the integrated cable; and in a calculating device, calculating an offset value obtained by subtracting a strength of a sound output from the output control device from a strength of a sound output from the audio output apparatus, wherein in the control device, adjusting the sound volume of the sound corresponding to the audio data output by the audio output apparatus based on the offset value.

12. An output control system having a master apparatus receiving encoded data obtained by encoding multi-channel data and a slave apparatus connected to the master apparatus, wherein the master apparatus comprises: a first receiving device to receive the encoded data obtained by encoding the multi-channel audio data; a decoding device to decode the encoded data; a first output controller devices control output of a predetermined number of channels of audio data among the multi-channel audio data obtained by the decoding; a transmitting device to transmit any one of audio data different from the audio data of which the output is controlled by the first output controller device among the multi-channel audio data obtained by the decoding and the encoded data to the slave apparatus connected through an integrated cable formed by integrating at least a video line, an audio line, and a control line; a controller device to control the slave apparatus through the integrated cable; and a calculating device to calculate an offset value obtained by subtracting a strength of a sound output from the first output controller device from a strength of a sound output from the master apparatus, wherein the controller device adjusts the sound volume of the sound corresponding to the audio data output by the master apparatus based on the offset value, wherein the slave apparatus comprises: a second receiving device to receive the audio data from the transmitting device; a second output controller device to control output of the received audio data; and an executing device to execute a predetermined process according to the control of the controller device.